wedge vs ploughshare

wedge and ploughshare both are nouns.

Word	Noun	Adjective	Verb	Adverb
wedge	Yes	No	Yes	No
ploughshare	Yes	No	No	No

As nouns, ploughshare is a hyponym of wedge; that is, ploughshare is a word with a more specific, narrower meaning than wedge:

wedge: something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
ploughshare: a sharp steel wedge that cuts loose the top layer of soil

Other hyponyms of wedge include ax head, axe head, colter, coulter, moldboard, mouldboard, plowshare, share, coign, coigne, quoin, shim.

wedge (noun)	ploughshare (noun)
something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them	a sharp steel wedge that cuts loose the top layer of soil
a block of wood used to prevent the sliding or rolling of a heavy object
a heel that is an extension of the sole of the shoe
(golf) an iron with considerable loft and a broad sole
a diacritical mark (an inverted circumflex) placed above certain letters (such as the letter c) to indicate pronunciation
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
any shape that is triangular in cross section

wedge (verb)	ploughshare (verb)
squeeze like a wedge into a tight space
put, fix, force, or implant